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Old 07-23-2016, 12:19 PM   #1
Dave Cunningham
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2004 Alero Headlights and dashboard lights flicking on and off

Hello

Ok so last night after I got home I noticed my parklights flicking on and off from my kitchen window. Went out side and sure enough they would come on and off while the car was not started. When I have the hood up you can hear a clicking sound when the come on and go off. Any help you can give I have read a couple of post mentioning a headlight control module?

Thanks in advance

Last edited by Dave Cunningham; 07-23-2016 at 01:06 PM.
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Old 07-23-2016, 01:09 PM   #2
Dave Cunningham
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Re: 2004 Alero Headlights and dashboard lights flicking on and off

Small update when the park lights flick on the micro relay 19 which is Auto PRK lmp ctrl clicks you can feel it. I tried replacing it and still does it. What would be sending it the signal?
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Old 07-23-2016, 11:08 PM   #3
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Re: 2004 Alero Headlights and dashboard lights flicking on and off

Ruh-Roe.....that relay is controlled by the BCM.....now unless the line between the relay and BCM, is intermittently grounding out on something, it looks like BCM....
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Old 07-24-2016, 06:12 PM   #4
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Re: 2004 Alero Headlights and dashboard lights flicking on and off

Quote:
Originally Posted by Tech II View Post
Ruh-Roe.....that relay is controlled by the BCM.....now unless the line between the relay and BCM, is intermittently grounding out on something, it looks like BCM....
Yep, agreed. The Alero was in the "famous for bad BCM's" club. I don't remember them being too pricy, but still not cheap.
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